JPH01203548A - Construction of concrete wall - Google Patents

Abstract

PURPOSE:To preserve a hollow concrete panel so as not to break down even with a big force applied to a separator, by making a load applied to the separator affect other parts than the thin-walled concrete members. CONSTITUTION:In a wall constructing method where a hollow concrete panel 1 and shuttering 11 are erected in parallel, with separators 10 placed to maintain the distance between the concrete panel 1 and the shuttering 11, and concrete is placed therein, any one of hollow members 2 of the hollow concrete panel 1 is made to be in a taper that the width of the right and left walls getting smaller toward a side of the thickness direction. The separators 10 are then made to penetrate into the hollow members 2 and screw fitted to bracket members 4, which are installed inside the hollow members 2 to fit to both of the right and left walls with tapered bent pieces 5. With such arrangement, load applied to the separators 10 can also work on other parts than the thin- walled concrete members of the hollow concrete panels 1.

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a wall construction method using hollow concrete plates.

[Prior art]

A wall construction method has been developed that uses hollow concrete plates as both dam plates and exterior materials. A hollow part is formed inside the hollow concrete plate, and it is conceivable to fix this separator within the hollow part so as not to protrude the separator from the surface of the exterior material.

[Problems to be solved by this invention]

However, when the cross-sectional shape of the hollow part is rectangular as shown in Fig. 5, when fixed inside this hollow part through separator a, the receiving hardware C will only come into contact with the thin part of the concrete part, and the force will be small. It needs to be fastened in two places because it will be destroyed.

This idea was made to solve the above problems, and the purpose is to provide a concrete wall construction method that will not break even if a large force is applied to the separator by simply fixing it in one place on the hollow concrete plate. shall be.

[Means for solving problems]

The concrete method according to the present invention uses hollow concrete plates.

The inner wall of at least one of the hollow parts of the hollow concrete plate is formed so that the left and right wall surfaces gradually become smaller as they go to one side in the thickness direction.The separator is penetrated toward this hollow part. A separator is screwed onto a receiving member having a tapered bent piece that abuts the inner wall.

[For production]

The load acting on the separator acts on the receiving member within the hollow concrete plate. The distance between the left and right inner walls of the hollow part is small, and the load acts not only on the thin concrete part but also on the left and right inner walls. The load is carried by the surface concrete part of the hollow concrete plate and the inner wall of the hollow part, so the strength is increased.

〔Example〕

Hereinafter, the present invention will be described in detail based on an embodiment shown in the drawings.

In the figure, 1 is a hollow concrete plate, and a plurality of parallel hollow parts 2 are formed inside thereof.

The material of the hollow concrete plate is cement.

They may also be made from materials such as asbestos, ceramics, carbon fiber, and plastic. Any one of the plurality of hollow portions 2 is formed such that the distance between the left and right inner wall surfaces 3° 3 of the inner wall thereof gradually decreases toward one side in the thickness direction of the concrete plate 1. In the embodiment, the hollow 2 is formed to have a substantially trapezoidal cross section.

In the figure, 4 is a receiving member, and a bent piece 5.5 is formed by bending the left and right sides of a steel plate into a tapered shape, and a nut 6 communicating with a hole bored in the center is welded to the bent piece 5.5. There is.

A hole 7 is bored in the hollow concrete plate 1 from the surface which becomes the inside of the building toward the hollow part 2, and a receiving member 4 is arranged in the hollow part corresponding to the hole 7. The bent pieces 5, 5 of the receiving member 4 abut on the left and right inner wall surfaces 3, 3 of the hollow portion 2.

The hollow concrete plate l as described above is stood up and placed on the mounting hardware 8 having a T-shaped cross section. A plurality of hollow concrete plates 1 are arranged side by side side by side, and a waterproof backing 9 is interposed between the left and right hollow concrete plates 1.1.

A separator 10 having a male screw threaded at its tip is passed through a hole 7 of a hollow concrete plate 1, and is screwed into a nut 6 of a receiving member 4 and fixed. The bent pieces 5, 5 of the receiving member 4 are in contact with the inner wall surface 3.3 of the hollow portion 2, and the separator 10 can be extended horizontally without the receiving member 4 shifting.

A plywood weir plate 11 is erected parallel to the hollow concrete plate 1, and the other end of the separator 10 is inserted into the weir plate 11. Weir plate 1
Thick pieces 12 and 13 are arranged vertically and horizontally along the separator 10, gripped by a gripping hardware 14 connected to the separator 10, and fixed by a knife 15.

Concrete) 1 between hollow concrete plate 1 and weir plate 11
6 is cast, and after hardening, the thick end members 12 and 13° and the weir plate 11 are removed.

The load of the concrete 16 acts in the direction of pulling out the separator 10 from the hollow concrete plate 1, but the receiving member 4 also comes into contact with the left and right inner wall surfaces 3°3 of the hollow part 2, and even this thick part carries the load. Therefore, the hollow concrete plate 1 is not easily damaged.

〔Effect of the invention〕

The present invention has the above configuration and can obtain the following effects.

■ Since the separator is installed inside the hollow part of the hollow concrete plate, the separator ends and nuts do not protrude from the surface.
The exterior surface becomes beautiful.

@ The gap between the left and right inner wall surfaces of the inner wall of the hollow part of the hollow concrete plate is formed so that it gradually becomes smaller as it goes to one side in the thickness direction, and the left and right tapered bent pieces of the receiving member are brought into contact with the left and right inner wall surfaces of the hollow part. Since the separators were in contact with each other, the load acting on the separators was supported by the front and left and right inner walls, so the hollow concrete plates would not be damaged.

0 Since the tapered bent pieces of the receiving member are brought into contact with the left and right inner wall surfaces of the hollow portion of the hollow concrete plate, the position of the receiving member is determined, and the separator can be horizontally extended by one receiving member.

[Brief explanation of the drawing]

Fig. 1 is a sectional view of an embodiment of the present invention, Fig. 2 is a perspective view of the receiving member, Fig. 3 is a vertical sectional view of the installed state, Fig. 4 is a cross-sectional view thereof, and Fig. 5 is a conventional example. FIG. 1. Hollow concrete, 2. Hollow part, 3. Inner wall surface, 4. Receiving member, 5. Bent piece, 6. Nut, 7.
・Hole, 8・Mounting hardware, 9・Waterproof backing, 10・
・Separator, 11.・Weir plate, 12.13.. Thick lumber,
16. Concrete. Figure 5b b

Claims (1)

[Claims] (1) In a wall construction method in which a hollow concrete plate and a weir plate are erected parallel to each other and concrete is poured while maintaining the distance between them using a separator, at least one of the hollow parts of the hollow concrete plate is on one side in the thickness direction. The separator is formed so that the width of the left and right inner walls gradually decreases as it goes toward the hollow part, and the separator is screwed into a receiving member having a tapered bent piece that penetrates the separator toward the hollow part and comes into contact with the left and right inner walls arranged in the hollow part. A concrete wall construction method characterized by the fact that